Check the listing for details. Genuine Stanley Bostitch 854011 Compression Spring WM45B N89C N86C N80CBMLPAL. Condition: New – Open box. Listed at 9.75 USD. Genuine Stanley Bostitch 854011 Compression SpringNew As Pictured.Free Shipping in the USA! Description:The metal compression spring is made of metal and goes between the check pawl and the door. This part is available as an individual replacement and is an OEM replacement part from the manufacturer Bostitch for use in nailers. Springs can lose their tension over time and will need to be replaced. A set of pliers and a socket set may be needed when replacing this spring. CompatibilityThis part is compatible with the following machines: BostitchWM45B Pneumatic Coil NailerN89C Coil-Fed Pneumatic Framing NailerN86C Coil-Fed Pneumatic NailerN80CBMLPAL Coil-Fed Pneumatic NailerN80CB-1ML Coil-Fed Pneumatic NailerN80CB Coil-Fed Pneumatic NailerN57C Coil-Fed Pneumatic NailerN130C Coil-Fed Pneumatic NailerN12B Coil-Fed Pneumatic NailerN100C Coil-Fed Pneumatic NailerRN45B Coil-Fed Pneumatic Roofing NailerN70CBPAL Coil-Fed Pneumatic NailerN70CBM Coil-Fed Pneumatic NailerN64084-N64099 Coil-Fed Pneumatic NailerN89C-1P Type 0 Heavy Duty Pallet, Fence NailerN80C Type 0 Coil-Fed NailerN55C Coil-Fed NailerN89C (140020000) Framing NailerN89C-HQ (Type 0) Framing NailerN89C-HQ (140020000) Framing NailerN55CD (Type 0) Coil-Fed NailerN58C (Type 0) Coil-Fed Nailer